Pilot signal for 80 mhz

Abstract

The present disclosure relates to a wireless local area network system including a transmitting station (STA) and a receiving STA. The transmitting STA may generate a first physical protocol data unit (PPDU) and transmit the first PPDU via 80 MHz, wherein the first PPDU may include a first data field transmitted via a 966 tone resource unit (RU), and the first data field includes a first pilot subcarrier for the 996 tone RU.

What is claimed is: 
     
         1 . A method performed by a transmitting station, STA, in a wireless local area network, WLAN, system, the method comprising:
 generating a first physical protocol data unit, PPDU; and   transmitting the first PPDU through an 80 MHz band,   wherein the first PPDU includes a first data field transmitted through a 242-tone resource unit, RU,   wherein the 242-tone RU is located in an index range of {−500: −259}, {−253: −12},{12:253}, or {259:500},   wherein the first data field includes first pilot subcarriers for the 242-tone RU, and indices of the first pilot subcarriers are as follows: {−494, −468, −426, −400, −360, −334, −292, −266}, {−246, −220, −178, −152, −112, −86, −44, −18}, {18, 44, 86, 112, 152, 178, 220, 246}, or { 266 ,  292 ,  334 ,  360 ,  400 ,  426 ,  468 ,  494 }.   
     
     
         2 . The method of  claim 1 , further comprising:
 generating a second PPDU; and   transmitting the second PPDU through an 80 MHz band,   wherein the second PPDU includes a second data field transmitted through a 26-tone RU;   wherein the second data field includes second pilot subcarriers for the 26-tone RU, and indices of the second pilot subcarriers are as follows: {−494, −480}, {−468, −454}, {−440, −426}, {−414, −400}, {−386, −372}, {−360, −346}, {−334, −320}, {−306, −292}, {−280, −266}, {−246, −232}, {−220, −206}, {−192, −178}, {−166, −152}, {−140, −126}, {−112, −98}, {−86, −72}, {−58, −44}, {−32, −18}, {18, 32}, {44, 58}, {72, 86}, {98, 112}, {126, 140}, {152, 166}, {178, 192}, {206, 220}, {232, 246}, {266, 280}, {292, 306}, {320, 334}, {346, 360}, {372, 386}, {400, 414}, {426, 440}, {454, 468}, or {480, 494}.   
     
     
         3 . The method of  claim 1 , further comprising:
 generating a third PPDU; and   transmitting the third PPDU through an 80 MHz band,   wherein the third PPDU includes a third data field transmitted through a 52-tone RU;   wherein the third data field includes third pilot subcarriers for the 52-tone RU, and indices of the third pilot subcarriers are as follows: {−494, −480, −468, −454}, {−440, −426, −414, −400}, {−360, −346, −334, −320}, {−306, −292, −280, −266}, {−246, −232, −220, −206}, {−192, −178, −166, −152}, {−112, −98, −86, −72}, {−58, −44, −32, −18}, {18, 32, 44, 58}, {72, 86, 98, 112}, {152, 166, 178, 192}, {206, 220, 232, 246}, {266, 280, 292, 306}, {320, 334, 346, 360}, {400, 414, 426, 440}, or {454, 468, 480, 494}.   
     
     
         4 . The method of  claim 1 , further comprising:
 generating a fourth PPDU; and   transmitting the fourth PPDU through an 80 MHz band,   wherein the fourth PPDU includes a fourth data field transmitted through a 106-tone RU;   wherein the fourth data field includes fourth pilot subcarriers for the 106-tone RU, and indices of the fourth pilot subcarriers are as follows: {−494, −468, −426, −400}, {−360, −334, −292, −266}, {−246, −220, −178, −152}, {−112, −86, −44, −18}, {18, 44, 86, 112}, {152, 178, 220, 246}, {266, 292, 334, 360}, or {400, 426, 468, 494}.   
     
     
         5 . The method of  claim 1 , further comprising:
 generating a fifth PPDU; and   transmitting the fifth PPDU through an 80 MHz band,   wherein the fifth PPDU includes a sixth data field transmitted through a 484-tone RU;   wherein the fifth data field includes fifth pilot subcarriers for the 484-tone RU, and indices of the fifth pilot subcarriers are as follows: {−494, −468, −426, −400, −360, −334, −292, −266, −246, −220, −178, −152, −112, −86, −44, −18}, or {18, 44, 86, 112, 152, 178, 220, 246, 266, 292, 334, 360, 400, 426, 468, 494}.   
     
     
         6 . A transmitting station, STA, in a wireless local area network, WLAN, system, the transmitting STA comprising:
 a transceiver transmitting and/or receiving a wireless signal; and   a processor coupled to the transceiver,   wherein the processor is adapted to:   generate a first physical protocol data unit, PPDU; and   transmit the first PPDU through an 80 MHz band, wherein the first PPDU includes a first data field transmitted through a 242-tone resource unit, RU,   wherein the 242-tone RU is located in an index range of {−500: −259}, {−253: −12}, {12:253}, or {259:500}, wherein the first data field includes first pilot subcarriers for the 242-tone RU, and indices of the first pilot subcarriers are as follows: {−494, −468, −426, −400, −360, −334, −292, −266}, {−246, −220, −178, −152, −112, −86, −44, −18}, {18, 44, 86, 112, 152, 178, 220, 246}, or {266, 292, 334, 360, 400, 426, 468, 494}.   
     
     
         7 . The transmitting STA of  claim 6 , wherein the processor is further adapted to:
 generate a second PPDU; and   transmit the second PPDU through an 80 MHz band,   wherein the second PPDU includes a second data field transmitted through a 26-tone RU;   wherein the second data field includes second pilot subcarriers for the 26-tone RU, and indices of the second pilot subcarriers are as follows: {−494, −480}, {−468, −454}, {−440, −426}, {−414, −400}, {−386, −372}, {−360, −346}, {−334, −320}, {−306, −292}, {−280, −266}, {−246, −232}, {−220, −206}, {−192, −178}, {−166, −152}, {−140, −126}, {−112, −98}, {−86, −72}, {−58, −44}, {−32, −18}, {18, 32}, {44, 58}, {72, 86}, {98, 112}, {126, 140}, {152, 166}, {178, 192}, {206, 220}, {232, 246}, {266, 280}, {292, 306}, {320, 334}, {346, 360}, {372, 386}, {400, 414}, {426, 440}, {454, 468}, or {480, 494}.   
     
     
         8 . The transmitting STA of  claim 6 , wherein the processor is further adapted to:
 generate a third PPDU; and   transmit the third PPDU through an 80 MHz band,   wherein the third PPDU includes a third data field transmitted through a 52-tone RU;   wherein the third data field includes third pilot subcarriers for the 52-tone RU, and indices of the third pilot subcarriers are as follows: {−494, −480, −468, −454}, {−440, −426, −414, −400}, {−360, −346, −334, −320}, {−306, −292, −280, −266}, {−246, −232, −220, −206}, {−192, −178, −166, −152}, {−112, −98, −86, −72}, {−58, −44, −32, −18}, {18, 32, 44, 58}, {72, 86, 98, 112}, {152, 166, 178, 192}, {206, 220, 232, 246}, {266, 280, 292, 306}, {320, 334, 346, 360}, {400, 414, 426, 440}, or {454, 468, 480, 494}.   
     
     
         9 . The transmitting STA of  claim 6 , wherein the processor is further adapted to:
 generate a fourth PPDU; and   transmit the fourth PPDU through an 80 MHz band,   wherein the fourth PPDU includes a fourth data field transmitted through a 106-tone RU;   wherein the fourth data field includes fourth pilot subcarriers for the 106-tone RU, and indices of the fourth pilot subcarriers are as follows: {−494, −468, −426, −400}, {−360, −334, −292, −266}, {−246, −220, −178, −152}, {−112, −86, −44, −18}, {18, 44, 86, 112}, {152, 178, 220, 246}, {266, 292, 334, 360}, or {400, 426, 468, 494}.   
     
     
         10 . The transmitting STA of  claim 6 , wherein the processor is further adapted to:
 generate a fifth PPDU; and   transmit the fifth PPDU through an 80 MHz band,   wherein the fifth PPDU includes a sixth data field transmitted through a 484-tone RU;   wherein the fifth data field includes fifth pilot subcarriers for the 484-tone RU, and indices of the fifth pilot subcarriers are as follows: {−494, −468, −426, −400, −360, −334, −292, −266, −246, −220, −178, −152, −112, −86, −44, −18}, or {18, 44, 86, 112, 152, 178, 220, 246, 266, 292, 334, 360, 400, 426, 468, 494}.   
     
     
         11 . A method performed by a receiving station, STA, in a wireless local area network, WLAN, system, the method comprising:
 receiving a physical protocol data unit, PPDU, from a transmitting STA through an 80 MHz band; and   decoding the PPDU,   wherein the PPDU includes a data field transmitted through a 242-tone resource unit (RU),   wherein the 242-tone RU is located in an index range of {−500: −259}, {−253: −12}, {12:253}, or {259:500}, wherein the data field includes pilot subcarriers for the 242-tone RU, and indices of the pilot subcarriers are as follows: {−494, −468, −426, −400, −360, −334, −292, −266}, {−246, −220, −178, −152, −112, −86, −44, −18}, {18, 44, 86, 112, 152, 178, 220, 246}, or {266, 292, 334, 360, 400, 426, 468, 494}.   
     
     
         12 . The method of  claim 11 , further comprising:
 receiving a second PPDU through an 80 MHz band; and   decoding the second PPDU,   wherein the second PPDU includes a second data field transmitted through a 26-tone RU;   wherein the second data field includes second pilot subcarriers for the 26-tone RU, and indices of the second pilot subcarriers are as follows: {−494, −480}, {−468, −454}, {−440, −426}, {−414, −400}, {−386, −372}, {−360, −346}, {−334, −320}, {−306, −292}, {−280, −266}, {−246, −232}, {−220, −206}, {−192, −178}, {−166, −152}, {−140, −126}, {−112, −98}, {−86, −72}, {−58, −44}, {−32, −18}, {18, 32}, {44, 58}, {72, 86}, {98, 112}, {126, 140}, {152, 166}, {178, 192}, {206, 220}, {232, 246}, {266, 280}, {292, 306}, {320, 334}, {346, 360}, {372, 386}, {400, 414}, {426, 440}, {454, 468}, or {480, 494}.   
     
     
         13 . The method of  claim 11 , further comprising:
 receiving a third PPDU through an 80 MHz band; and   decoding the third PPDU,   wherein the third PPDU includes a third data field transmitted through a 52-tone RU;   wherein the third data field includes third pilot subcarriers for the 52-tone RU, and indices of the third pilot subcarriers are as follows: {−494, −480, −468, −454}, {−440, −426, −414, −400}, {−360, −346, −334, −320}, {−306, −292, −280, −266}, {−246, −232, −220, −206}, {−192, −178, −166, −152}, {−112, −98, −86, −72}, {−58, −44, −32, −18}, {18, 32, 44, 58}, {72, 86, 98, 112}, {152, 166, 178, 192}, {206, 220, 232, 246}, {266, 280, 292, 306}, {320, 334, 346, 360}, {400, 414, 426, 440}, or {454, 468, 480, 494}.   
     
     
         14 . The method of  claim 11 , further comprising:
 receiving a fourth PPDU through an 80 MHz band; and   decoding the fourth PPDU,   wherein the fourth PPDU includes a fourth data field transmitted through a 106-tone RU;   wherein the fourth data field includes fourth pilot subcarriers for the 106-tone RU, and indices of the fourth pilot subcarriers are as follows: {−494, −468, −426, −400}, {−360, −334, −292, −266}, {−246, −220, −178, −152}, {−112, −86, −44, −18}, {18, 44, 86, 112}, {152, 178, 220, 246}, {266, 292, 334, 360}, or {400, 426, 468, 494}.   
     
     
         15 . The method of  claim 11 , further comprising:
 receiving a fifth PPDU through an 80 MHz band; and   decoding the fifth PPDU,   wherein the fifth PPDU includes a sixth data field transmitted through a 484-tone RU;   wherein the fifth data field includes fifth pilot subcarriers for the 484-tone RU, and indices of the fifth pilot subcarriers are as follows: {−494, −468, −426, −400, −360, −334, −292, −266, −246, −220, −178, −152, −112, −86, −44, −18}, or {18, 44, 86, 112, 152, 178, 220, 246, 266, 292, 334, 360, 400, 426, 468, 494}.